Create an SFTP base connection using the Flow Service API

A base connection represents the authenticated connection between a source and Adobe Experience Platform.

This tutorial walks you through the steps to create a base connection for SFTP (Secure File Transfer Protocol) using the Flow Service API.

Getting started

This guide requires a working understanding of the following components of Adobe Experience Platform:

  • Sources: Experience Platform allows data to be ingested from various sources while providing you with the ability to structure, label, and enhance incoming data using Platform services.
  • Sandboxes: Experience Platform provides virtual sandboxes which partition a single Platform instance into separate virtual environments to help develop and evolve digital experience applications.
IMPORTANT

It is recommended to avoid newlines or carriage returns when ingesting JSON objects with an SFTP source connection. To work around the limitation, use a single JSON object per line and use multi-lines for ensuing files.

The following sections provide additional information that you will need to know in order to successfully connect to an SFTP server using the Flow Service API.

Gather required credentials

In order for Flow Service to connect to SFTP, you must provide values for the following connection properties:

Credential Description
host The name or IP address associated with your SFTP server.
port The SFTP server port you’re connecting to. If unprovided, the value defaults to 22.
username The username with access to your SFTP server.
password The password for your SFTP server.
privateKeyContent The Base64 encoded SSH private key content. The type of OpenSSH key must be classified as either RSA or DSA.
passPhrase The pass phrase or password to decrypt the private key if the key file or the key content is protected by a pass phrase. If the privateKeyContent is password protected, this parameter needs to be used with the private key content’s passphrase as value.
connectionSpec.id The connection specification returns a source’s connector properties, including authentication specifications related to creating the base and source connections. The connection specification ID for SFTP is: b7bf2577-4520-42c9-bae9-cad01560f7bc.

Using Platform APIs

For information on how to successfully make calls to Platform APIs, see the guide on getting started with Platform APIs.

Create a base connection

A base connection retains information between your source and Platform, including your source’s authentication credentials, the current state of the connection, and your unique base connection ID. The base connection ID allows you to explore and navigate files from within your source and identify the specific items that you want to ingest, including information regarding their data types and formats.

To create a base connection ID, make a POST request to the /connections endpoint while providing your SFTP authentication credentials as part of the request parameters.

Create an SFTP base connection using basic authentication

To create an SFTP base connection using basic authentication, make a POST request to the Flow Service API while providing values for your connection’s host, userName, and password.

API format

POST /connections

Request

The following request creates a base connection for SFTP using basic authentication:

curl -X POST \
    'https://platform.adobe.io/data/foundation/flowservice/connections' \
    -H 'Authorization: Bearer {ACCESS_TOKEN}' \
    -H 'x-api-key: {API_KEY}' \
    -H 'x-gw-ims-org-id: {IMS_ORG}' \
    -H 'x-sandbox-name: {SANDBOX_NAME}' \
    -H 'Content-Type: application/json' \
    -d  '{
        "name": "SFTP connector with password",
        "description": "SFTP connector password",
        "auth": {
            "specName": "Basic Authentication for sftp",
            "params": {
                "host": "{HOST}",
                "userName": "{USERNAME}",
                "password": "{PASSWORD}"
            }
        },
        "connectionSpec": {
            "id": "b7bf2577-4520-42c9-bae9-cad01560f7bc",
            "version": "1.0"
        }
    }'
Property Description
auth.params.host The host name of your SFTP server.
auth.params.username The username associated with your SFTP server.
auth.params.password The password associated with your SFTP server.
connectionSpec.id The SFTP server connection specification ID: b7bf2577-4520-42c9-bae9-cad01560f7bc

Response

A successful response returns the unique identifier (id) of the newly created connection. This ID is required to explore your SFTP server in the next tutorial.

{
    "id": "bf367b0d-3d9b-4060-b67b-0d3d9bd06094",
    "etag": "\"1700cc7b-0000-0200-0000-5e3b3fba0000\""
}

Create an SFTP base connection using SSH public key authentication

To create an SFTP base connection using SSH public key authentication, make a POST request to the Flow Service API while providing values for your connection’s host, userName, privateKeyContent, and passPhrase.

IMPORTANT

The SFTP connector supports an RSA or DSA type OpenSSH key. Ensure that your key file content starts with "-----BEGIN [RSA/DSA] PRIVATE KEY-----" and ends with "-----END [RSA/DSA] PRIVATE KEY-----". If the private key file is a PPK-format file, use the PuTTY tool to convert from PPK to OpenSSH format.

API format

POST /connections

Request

The following request creates a base connection for SFTP using SSH public key authentication:

curl -X POST \
    'https://platform.adobe.io/data/foundation/flowservice/connections' \
    -H 'Authorization: Bearer {ACCESS_TOKEN}' \
    -H 'x-api-key: {API_KEY}' \
    -H 'x-gw-ims-org-id: {IMS_ORG}' \
    -H 'x-sandbox-name: {SANDBOX_NAME}' \
    -H 'Content-Type: application/json' \
    -d '{
        "name": "SFTP connector with SSH authentication",
        "description": "SFTP connector with SSH authentication",
        "auth": {
            "specName": "SSH PublicKey Authentication for sftp",
            "params": {
                "host": "{HOST}",
                "userName": "{USERNAME}",
                "privateKeyContent": "{PRIVATE_KEY_CONTENT}",
                "passPhrase": "{PASSPHRASE}"
            }
        },
        "connectionSpec": {
            "id": "b7bf2577-4520-42c9-bae9-cad01560f7bc",
            "version": "1.0"
        }
    }'
Property Description
auth.params.host The host name of your SFTP server.
auth.params.username The username associated with your SFTP server.
auth.params.privateKeyContent The Base64 encoded SSH private key content. The type of OpenSSH key must be classified as either RSA or DSA.
auth.params.passPhrase The pass phrase or password to decrypt the private key if the key file or the key content is protected by a pass phrase. If PrivateKeyContent is password protected, this parameter needs to be used with the PrivateKeyContent’s passphrase as value.
connectionSpec.id The SFTP server connection specification ID: b7bf2577-4520-42c9-bae9-cad01560f7bc

Response

A successful response returns the unique identifier (id) of the newly created connection. This ID is required to explore your SFTP server in the next tutorial.

{
    "id": "bf367b0d-3d9b-4060-b67b-0d3d9bd06094",
    "etag": "\"1700cc7b-0000-0200-0000-5e3b3fba0000\""
}

Next steps

By following this tutorial, you have created an SFTP connection using the Flow Service API, and have obtained the connection’s unique ID value. You can use this connection ID to explore cloud storages using the Flow Service API.

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